Arequipa's 2025 population is now estimated at 983,715. In 1950, the population of Arequipa was 128,309. Arequipa has grown by 12,419 in the last year, which represents a 1.28% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects . These estimates represent the Urban agglomeration of Arequipa, which typically includes Arequipa's population in addition to adjacent suburban areas.